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<div class="subTitle">org.apache.commons.math3.optimization.linear</div>
<h2 title="Interface LinearOptimizer" class="title">Interface LinearOptimizer</h2>
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<dl>
<dt>All Known Implementing Classes:</dt>
<dd><a href="../../../../../../org/apache/commons/math3/optimization/linear/AbstractLinearOptimizer.html" title="class in org.apache.commons.math3.optimization.linear">AbstractLinearOptimizer</a>, <a href="../../../../../../org/apache/commons/math3/optimization/linear/SimplexSolver.html" title="class in org.apache.commons.math3.optimization.linear">SimplexSolver</a></dd>
</dl>
<hr>
<div class="block"><strong>Deprecated.</strong>&nbsp;
<div class="block"><i>As of 3.1 (to be removed in 4.0).</i></div>
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<br>
<pre><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</a>
public interface <span class="strong">LinearOptimizer</span></pre>
<div class="block">This interface represents an optimization algorithm for linear problems.
 <p>Optimization algorithms find the input point set that either <a href="../../../../../../org/apache/commons/math3/optimization/GoalType.html" title="enum in org.apache.commons.math3.optimization"><code>maximize or minimize</code></a> an objective function. In the linear case the form of
 the function is restricted to
 <pre>
 c<sub>1</sub>x<sub>1</sub> + ... c<sub>n</sub>x<sub>n</sub> = v
 </pre>
 and there may be linear constraints too, of one of the forms:
 <ul>
   <li>c<sub>1</sub>x<sub>1</sub> + ... c<sub>n</sub>x<sub>n</sub> = v</li>
   <li>c<sub>1</sub>x<sub>1</sub> + ... c<sub>n</sub>x<sub>n</sub> &lt;= v</li>
   <li>c<sub>1</sub>x<sub>1</sub> + ... c<sub>n</sub>x<sub>n</sub> >= v</li>
   <li>l<sub>1</sub>x<sub>1</sub> + ... l<sub>n</sub>x<sub>n</sub> + l<sub>cst</sub> =
       r<sub>1</sub>x<sub>1</sub> + ... r<sub>n</sub>x<sub>n</sub> + r<sub>cst</sub></li>
   <li>l<sub>1</sub>x<sub>1</sub> + ... l<sub>n</sub>x<sub>n</sub> + l<sub>cst</sub> &lt;=
       r<sub>1</sub>x<sub>1</sub> + ... r<sub>n</sub>x<sub>n</sub> + r<sub>cst</sub></li>
   <li>l<sub>1</sub>x<sub>1</sub> + ... l<sub>n</sub>x<sub>n</sub> + l<sub>cst</sub> >=
       r<sub>1</sub>x<sub>1</sub> + ... r<sub>n</sub>x<sub>n</sub> + r<sub>cst</sub></li>
 </ul>
 where the c<sub>i</sub>, l<sub>i</sub> or r<sub>i</sub> are the coefficients of
 the constraints, the x<sub>i</sub> are the coordinates of the current point and
 v is the value of the constraint.
 </p></div>
<dl><dt><span class="strong">Since:</span></dt>
  <dd>2.0</dd></dl>
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<h3>Method Summary</h3>
<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
<caption><span>Methods</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/optimization/linear/LinearOptimizer.html#getIterations()">getIterations</a></strong>()</code>
<div class="block"><strong>Deprecated.</strong>&nbsp;</div>
<div class="block">Get the number of iterations realized by the algorithm.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/optimization/linear/LinearOptimizer.html#getMaxIterations()">getMaxIterations</a></strong>()</code>
<div class="block"><strong>Deprecated.</strong>&nbsp;</div>
<div class="block">Get the maximal number of iterations of the algorithm.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../../org/apache/commons/math3/optimization/PointValuePair.html" title="class in org.apache.commons.math3.optimization">PointValuePair</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/optimization/linear/LinearOptimizer.html#optimize(org.apache.commons.math3.optimization.linear.LinearObjectiveFunction,%20java.util.Collection,%20org.apache.commons.math3.optimization.GoalType,%20boolean)">optimize</a></strong>(<a href="../../../../../../org/apache/commons/math3/optimization/linear/LinearObjectiveFunction.html" title="class in org.apache.commons.math3.optimization.linear">LinearObjectiveFunction</a>&nbsp;f,
        <a href="http://docs.oracle.com/javase/7/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;<a href="../../../../../../org/apache/commons/math3/optimization/linear/LinearConstraint.html" title="class in org.apache.commons.math3.optimization.linear">LinearConstraint</a>&gt;&nbsp;constraints,
        <a href="../../../../../../org/apache/commons/math3/optimization/GoalType.html" title="enum in org.apache.commons.math3.optimization">GoalType</a>&nbsp;goalType,
        boolean&nbsp;restrictToNonNegative)</code>
<div class="block"><strong>Deprecated.</strong>&nbsp;</div>
<div class="block">Optimizes an objective function.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/math3/optimization/linear/LinearOptimizer.html#setMaxIterations(int)">setMaxIterations</a></strong>(int&nbsp;maxIterations)</code>
<div class="block"><strong>Deprecated.</strong>&nbsp;</div>
<div class="block">Set the maximal number of iterations of the algorithm.</div>
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<h4>setMaxIterations</h4>
<pre>void&nbsp;setMaxIterations(int&nbsp;maxIterations)</pre>
<div class="block"><span class="strong">Deprecated.</span>&nbsp;</div>
<div class="block">Set the maximal number of iterations of the algorithm.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>maxIterations</code> - maximal number of function calls</dd></dl>
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<h4>getMaxIterations</h4>
<pre>int&nbsp;getMaxIterations()</pre>
<div class="block"><span class="strong">Deprecated.</span>&nbsp;</div>
<div class="block">Get the maximal number of iterations of the algorithm.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>maximal number of iterations</dd></dl>
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<a name="getIterations()">
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<h4>getIterations</h4>
<pre>int&nbsp;getIterations()</pre>
<div class="block"><span class="strong">Deprecated.</span>&nbsp;</div>
<div class="block">Get the number of iterations realized by the algorithm.
 <p>
 The number of evaluations corresponds to the last call to the
 <a href="../../../../../../org/apache/commons/math3/optimization/linear/LinearOptimizer.html#optimize(org.apache.commons.math3.optimization.linear.LinearObjectiveFunction,%20java.util.Collection,%20org.apache.commons.math3.optimization.GoalType,%20boolean)"><code>optimize</code></a>
 method. It is 0 if the method has not been called yet.
 </p></div>
<dl><dt><span class="strong">Returns:</span></dt><dd>number of iterations</dd></dl>
</li>
</ul>
<a name="optimize(org.apache.commons.math3.optimization.linear.LinearObjectiveFunction, java.util.Collection, org.apache.commons.math3.optimization.GoalType, boolean)">
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<h4>optimize</h4>
<pre><a href="../../../../../../org/apache/commons/math3/optimization/PointValuePair.html" title="class in org.apache.commons.math3.optimization">PointValuePair</a>&nbsp;optimize(<a href="../../../../../../org/apache/commons/math3/optimization/linear/LinearObjectiveFunction.html" title="class in org.apache.commons.math3.optimization.linear">LinearObjectiveFunction</a>&nbsp;f,
                      <a href="http://docs.oracle.com/javase/7/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;<a href="../../../../../../org/apache/commons/math3/optimization/linear/LinearConstraint.html" title="class in org.apache.commons.math3.optimization.linear">LinearConstraint</a>&gt;&nbsp;constraints,
                      <a href="../../../../../../org/apache/commons/math3/optimization/GoalType.html" title="enum in org.apache.commons.math3.optimization">GoalType</a>&nbsp;goalType,
                      boolean&nbsp;restrictToNonNegative)
                        throws <a href="../../../../../../org/apache/commons/math3/exception/MathIllegalStateException.html" title="class in org.apache.commons.math3.exception">MathIllegalStateException</a></pre>
<div class="block"><span class="strong">Deprecated.</span>&nbsp;</div>
<div class="block">Optimizes an objective function.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>f</code> - linear objective function</dd><dd><code>constraints</code> - linear constraints</dd><dd><code>goalType</code> - type of optimization goal: either <a href="../../../../../../org/apache/commons/math3/optimization/GoalType.html#MAXIMIZE"><code>GoalType.MAXIMIZE</code></a> or <a href="../../../../../../org/apache/commons/math3/optimization/GoalType.html#MINIMIZE"><code>GoalType.MINIMIZE</code></a></dd><dd><code>restrictToNonNegative</code> - whether to restrict the variables to non-negative values</dd>
<dt><span class="strong">Returns:</span></dt><dd>point/value pair giving the optimal value for objective function</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../../org/apache/commons/math3/exception/MathIllegalStateException.html" title="class in org.apache.commons.math3.exception">MathIllegalStateException</a></code> - if no solution fulfilling the constraints
   can be found in the allowed number of iterations</dd></dl>
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